arch/arm/boot/dts/st/stm32h743i-disco.dts

Source file repositories/reference/linux-study-clean/arch/arm/boot/dts/st/stm32h743i-disco.dts

File Facts

System
Linux kernel
Corpus path
arch/arm/boot/dts/st/stm32h743i-disco.dts
Extension
.dts
Size
3908 bytes
Lines
146
Domain
Architecture Layer
Bucket
arch/arm
Inferred role
Architecture Layer: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

/dts-v1/;
#include "stm32h743.dtsi"
#include "stm32h7-pinctrl.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/leds/common.h>

/ {
	model = "STMicroelectronics STM32H743i-Discovery board";
	compatible = "st,stm32h743i-disco", "st,stm32h743";

	chosen {
		bootargs = "root=/dev/ram";
		stdout-path = "serial0:115200n8";
	};

	memory@d0000000 {
		device_type = "memory";
		reg = <0xd0000000 0x2000000>;
	};

	aliases {
		serial0 = &usart2;
	};

	v3v3: regulator-v3v3 {
		compatible = "regulator-fixed";
		regulator-name = "v3v3";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		regulator-always-on;
	};

	leds {
		compatible = "gpio-leds";
		led_green: led-green {
			function = LED_FUNCTION_HEARTBEAT;
			color = <LED_COLOR_ID_GREEN>;
			gpios = <&gpioi 12 GPIO_ACTIVE_LOW>;
			linux,default-trigger = "heartbeat";
		};

		led-orange {
			color = <LED_COLOR_ID_ORANGE>;
			gpios = <&gpioi 13 GPIO_ACTIVE_LOW>;
		};

		led-red {
			color = <LED_COLOR_ID_RED>;
			gpios = <&gpioi 14 GPIO_ACTIVE_LOW>;
		};

		led-blue {
			color = <LED_COLOR_ID_BLUE>;
			gpios = <&gpioi 15 GPIO_ACTIVE_LOW>;
		};
	};

	options {
		u-boot {
			compatible = "u-boot,config";
			boot-led = <&led_green>;
		};
	};
};

&clk_hse {
	clock-frequency = <25000000>;
};

&mac {

Annotation

Implementation Notes